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<table class="header"><tr class="header"><td class="header">&nbsp;Supported ENVISAT Products</td><td class="header"
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<h2>Level 2 GADS Scaling Factors and Offsets</h2>

<p><font size="+1">&nbsp;&nbsp;Fields of ENVISAT <B>MER_RR__2P_GADS_sfgi</B> Records</font></p>
<table border="1" cellpadding="4" cellspacing="0" width="100%">
<tr>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Index</font></td>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Identifier</font></td>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Field Type</font></td>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Field Length</font></td>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Description</font></td>
    <td BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><font size="+1"> Units</font></td>
</tr>
<tr>
    <td>0</td>
    <td><code>"sf_alt"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - altitude</td>
    <td>-</td>
</tr>
<tr>
    <td>1</td>
    <td><code>"sf_rough"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - roughness</td>
    <td>-</td>
</tr>
<tr>
    <td>2</td>
    <td><code>"sf_zon_wind"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - zonal wind</td>
    <td>-</td>
</tr>
<tr>
    <td>3</td>
    <td><code>"sf_merr_wind"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - meridional wind</td>
    <td>-</td>
</tr>
<tr>
    <td>4</td>
    <td><code>"sf_atm_pres"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - atmospheric pressure</td>
    <td>-</td>
</tr>
<tr>
    <td>5</td>
    <td><code>"sf_ozone"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - ozone</td>
    <td>-</td>
</tr>
<tr>
    <td>6</td>
    <td><code>"sf_rel_humid"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - relative humidity</td>
    <td>-</td>
</tr>
<tr>
    <td>7</td>
    <td><code>"sf_reflec"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>13</td>
    <td>scaling factor - reflectances</td>
    <td>-</td>
</tr>
<tr>
    <td>8</td>
    <td><code>"sf_algal_pig_ind"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Algal pigment index</td>
    <td>-</td>
</tr>
<tr>
    <td>9</td>
    <td><code>"sf_yellow_subs"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Yellow substance</td>
    <td>-</td>
</tr>
<tr>
    <td>10</td>
    <td><code>"sf_susp_sed"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Suspended sediment</td>
    <td>-</td>
</tr>
<tr>
    <td>11</td>
    <td><code>"sf_aero_epsilon"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Aerosol epsilon</td>
    <td>-</td>
</tr>
<tr>
    <td>12</td>
    <td><code>"sf_aer_opt_thick"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Aerosol optical thickness</td>
    <td>-</td>
</tr>
<tr>
    <td>13</td>
    <td><code>"sf_cl_opt_thick"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Cloud optical thickness</td>
    <td>-</td>
</tr>
<tr>
    <td>14</td>
    <td><code>"sf_surf_pres"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Surface pressure</td>
    <td>-</td>
</tr>
<tr>
    <td>15</td>
    <td><code>"sf_wvapour"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Water vapour</td>
    <td>-</td>
</tr>
<tr>
    <td>16</td>
    <td><code>"sf_photosyn_rad"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Photosynthetically active radiation</td>
    <td>-</td>
</tr>
<tr>
    <td>17</td>
    <td><code>"sf_toa_veg"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - TOA Vegetation index</td>
    <td>-</td>
</tr>
<tr>
    <td>18</td>
    <td><code>"sf_boa_veg"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - BOA Vegetation index</td>
    <td>-</td>
</tr>
<tr>
    <td>19</td>
    <td><code>"sf_cloud_albedo"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Cloud Albedo</td>
    <td>-</td>
</tr>
<tr>
    <td>20</td>
    <td><code>"sf_cloud_top_press"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Cloud Top Pressure</td>
    <td>-</td>
</tr>
<tr>
    <td>21</td>
    <td><code>"off_reflec"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>13</td>
    <td>offset - reflectances</td>
    <td>-</td>
</tr>
<tr>
    <td>22</td>
    <td><code>"off_algal"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Algal pigment index</td>
    <td>log10(mg.m-3)</td>
</tr>
<tr>
    <td>23</td>
    <td><code>"off_yellow_subs"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Yellow substance</td>
    <td>m-1</td>
</tr>
<tr>
    <td>24</td>
    <td><code>"off_total_susp"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Total suspended matter</td>
    <td>log10(g.m-3)</td>
</tr>
<tr>
    <td>25</td>
    <td><code>"off_aero_epsilon"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Aerosol epsilon</td>
    <td>-</td>
</tr>
<tr>
    <td>26</td>
    <td><code>"off_aer_opt_thick"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Aerosol optical thickness</td>
    <td>-</td>
</tr>
<tr>
    <td>27</td>
    <td><code>"off_cl_opt_thick"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Cloud optical thickness</td>
    <td>-</td>
</tr>
<tr>
    <td>28</td>
    <td><code>"off_surf_pres"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Surface pressure</td>
    <td>hPa</td>
</tr>
<tr>
    <td>29</td>
    <td><code>"off_wvapour"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Water vapour</td>
    <td>g.cm-2</td>
</tr>
<tr>
    <td>30</td>
    <td><code>"off_photosyn_rad"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Photosynthetically active radiation</td>
    <td>W.m-2</td>
</tr>
<tr>
    <td>31</td>
    <td><code>"off_toa_veg"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - TOA Vegetation index</td>
    <td>-</td>
</tr>
<tr>
    <td>32</td>
    <td><code>"off_boa_veg"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - BOA Vegetation index</td>
    <td>-</td>
</tr>
<tr>
    <td>33</td>
    <td><code>"off_cloud_albedo"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Cloud Albedo</td>
    <td>-</td>
</tr>
<tr>
    <td>34</td>
    <td><code>"off_cloud_top_press"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Cloud Top Pressure</td>
    <td>hPa</td>
</tr>
<tr>
    <td>35</td>
    <td><code>"gain_set"</code></td>
    <td><a href="../../lang_types.html#UChar">UChar</a></td>
    <td>5*16</td>
    <td>Gain setting</td>
    <td>-</td>
</tr>
<tr>
    <td>36</td>
    <td><code>"sampl_rate"</code></td>
    <td><a href="../../lang_types.html#ULong">ULong</a></td>
    <td>1</td>
    <td>sampling rate</td>
    <td>(10-6) s</td>
</tr>
<tr>
    <td>37</td>
    <td><code>"sun_spec_flux"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>15</td>
    <td>Sun Spectral Flux (for bands 1-15)</td>
    <td>LU</td>
</tr>
<tr>
    <td>38</td>
    <td><code>"sf_rect_refl_nir"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Rectified near infrared reflectance</td>
    <td>-</td>
</tr>
<tr>
    <td>39</td>
    <td><code>"off_rect_refl_nir"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Rectified near infrared reflectance</td>
    <td>-</td>
</tr>
<tr>
    <td>40</td>
    <td><code>"sf_rect_refl_red"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>scaling factor - Rectified infrared reflectance</td>
    <td>-</td>
</tr>
<tr>
    <td>41</td>
    <td><code>"off_rect_refl_red"</code></td>
    <td><a href="../../lang_types.html#Float">Float</a></td>
    <td>1</td>
    <td>offset - Rectified infrared reflectance</td>
    <td>-</td>
</tr>
<tr>
    <td>42</td>
    <td><code>"spare_1"</code></td>
    <td><a href="../../lang_types.html#Spare">Spare</a></td>
    <td>44</td>
    <td>spare</td>
    <td>-</td>
</tr>
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